Doctor profile · Federal record
Dr. John Jankowski, LICSW
Clinical Social Worker · Washington, DC
- NPI 1790129807
- 13 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3401 12Th St Ne, Suite #29234
Washington, DC 200171144
(703) 216-0544
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- June 27, 2014
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- District of Columbia #LC50079677
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790129807. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
104
Distinct HCPCS
1
Medicare allowed
$11,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 104 | 14 | $108 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 181. This provider delivers 0.6× the peer median.Frequently asked questions
What is Dr. John Jankowski's medical specialty?
Dr. John Jankowski practices Clinical Social Worker in Washington, DC.
Where does Dr. John Jankowski practice?
Dr. John Jankowski practices at 3401 12Th St Ne, Washington, DC 200171144. Office phone: 7032160544.
What is Dr. John Jankowski's NPI?
Dr. John Jankowski's National Provider Identifier (NPI) is 1790129807, issued by NPPES.
What procedures does Dr. John Jankowski commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.